xref: /trunk/main/ucb/source/ucp/webdav/CurlInputStream.hxx (revision 914d351e5f5b84e4342a86d6ab8d4aca7308b9bd)

/**************************************************************
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 *************************************************************/


#ifndef INCLUDED_CURLINPUTSTREAM_HXX
#define INCLUDED_CURLINPUTSTREAM_HXX

#include <sal/types.h>
#include <rtl/ustring.hxx>
#include <cppuhelper/weak.hxx>
#include <com/sun/star/io/XInputStream.hpp>
#include <com/sun/star/io/XSeekable.hpp>


namespace http_dav_ucp
{

// -------------------------------------------------------------------
// CurlInputStream
// A simple XInputStream implementation provided specifically for use
// by the DAVSession::GET method.
// -------------------------------------------------------------------
class CurlInputStream : public ::com::sun::star::io::XInputStream,
                        public ::com::sun::star::io::XSeekable,
                        public ::cppu::OWeakObject
{
    private:
        com::sun::star::uno::Sequence< sal_Int8 > mInputBuffer;
        sal_Int64 mLen;
        sal_Int64 mPos;
        sal_Int64 mCapacity;

    public:
                 CurlInputStream( void );
        virtual ~CurlInputStream();

        // Add some data to the end of the stream
        void AddToStream( const char * inBuf, sal_Int32 inLen );

    // XInterface
    virtual com::sun::star::uno::Any SAL_CALL queryInterface(
                                        const ::com::sun::star::uno::Type & type )
                            throw( ::com::sun::star::uno::RuntimeException );

    virtual void SAL_CALL acquire( void )
                            throw ()
                                { OWeakObject::acquire(); }

    virtual void SAL_CALL release( void )
                            throw()
                                { OWeakObject::release(); }


    // XInputStream
    virtual sal_Int32 SAL_CALL readBytes(
            ::com::sun::star::uno::Sequence< sal_Int8 > & aData,
            sal_Int32 nBytesToRead )
                throw( ::com::sun::star::io::NotConnectedException,
                       ::com::sun::star::io::BufferSizeExceededException,
                       ::com::sun::star::io::IOException,
                       ::com::sun::star::uno::RuntimeException );

    virtual sal_Int32 SAL_CALL readSomeBytes(
            ::com::sun::star::uno::Sequence< sal_Int8 > & aData,
            sal_Int32 nMaxBytesToRead )
                throw( ::com::sun::star::io::NotConnectedException,
                       ::com::sun::star::io::BufferSizeExceededException,
                       ::com::sun::star::io::IOException,
                       ::com::sun::star::uno::RuntimeException );

    virtual void SAL_CALL skipBytes( sal_Int32 nBytesToSkip )
                throw( ::com::sun::star::io::NotConnectedException,
                       ::com::sun::star::io::BufferSizeExceededException,
                       ::com::sun::star::io::IOException,
                       ::com::sun::star::uno::RuntimeException );

    virtual sal_Int32 SAL_CALL available( void )
                throw( ::com::sun::star::io::NotConnectedException,
                       ::com::sun::star::io::IOException,
                       ::com::sun::star::uno::RuntimeException );

    virtual void SAL_CALL closeInput( void )
                throw( ::com::sun::star::io::NotConnectedException,
                       ::com::sun::star::io::IOException,
                       ::com::sun::star::uno::RuntimeException );

    // XSeekable
    virtual void SAL_CALL seek( sal_Int64 location )
        throw( ::com::sun::star::lang::IllegalArgumentException,
               ::com::sun::star::io::IOException,
               ::com::sun::star::uno::RuntimeException );

    virtual sal_Int64 SAL_CALL getPosition()
        throw( ::com::sun::star::io::IOException,
               ::com::sun::star::uno::RuntimeException );

    virtual sal_Int64 SAL_CALL getLength()
        throw( ::com::sun::star::io::IOException,
               ::com::sun::star::uno::RuntimeException );
};

} // namespace http_dav_ucp

#endif // INCLUDED_CURLINPUTSTREAM_HXX